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1.39 tj 5: <title>OpenBSD 5.7 Errata</title>
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1.1 deraadt 10:
11: <!--
12: IMPORTANT REMINDER
13: IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
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1.51 bentley 17: <h2 id=OpenBSD>
1.38 deraadt 18: <a href="index.html">
1.51 bentley 19: <i>Open</i><b>BSD</b></a>
20: 5.7 Errata
1.39 tj 21: </h2>
1.38 deraadt 22: <hr>
1.1 deraadt 23:
24: For errata on a certain release, click below:<br>
25: <a href="errata21.html">2.1</a>,
26: <a href="errata22.html">2.2</a>,
27: <a href="errata23.html">2.3</a>,
28: <a href="errata24.html">2.4</a>,
29: <a href="errata25.html">2.5</a>,
30: <a href="errata26.html">2.6</a>,
31: <a href="errata27.html">2.7</a>,
32: <a href="errata28.html">2.8</a>,
33: <a href="errata29.html">2.9</a>,
34: <a href="errata30.html">3.0</a>,
35: <a href="errata31.html">3.1</a>,
36: <a href="errata32.html">3.2</a>,
37: <a href="errata33.html">3.3</a>,
38: <a href="errata34.html">3.4</a>,
39: <a href="errata35.html">3.5</a>,
40: <a href="errata36.html">3.6</a>,
41: <br>
42: <a href="errata37.html">3.7</a>,
43: <a href="errata38.html">3.8</a>,
44: <a href="errata39.html">3.9</a>,
45: <a href="errata40.html">4.0</a>,
46: <a href="errata41.html">4.1</a>,
47: <a href="errata42.html">4.2</a>,
48: <a href="errata43.html">4.3</a>,
49: <a href="errata44.html">4.4</a>,
50: <a href="errata45.html">4.5</a>,
51: <a href="errata46.html">4.6</a>,
52: <a href="errata47.html">4.7</a>,
53: <a href="errata48.html">4.8</a>,
54: <a href="errata49.html">4.9</a>,
55: <a href="errata50.html">5.0</a>,
56: <a href="errata51.html">5.1</a>,
57: <a href="errata52.html">5.2</a>,
58: <br>
59: <a href="errata53.html">5.3</a>,
60: <a href="errata54.html">5.4</a>,
61: <a href="errata55.html">5.5</a>,
1.22 deraadt 62: <a href="errata56.html">5.6</a>,
1.35 deraadt 63: <a href="errata58.html">5.8</a>,
1.40 deraadt 64: <a href="errata59.html">5.9</a>,
1.43 tj 65: <a href="errata60.html">6.0</a>,
1.47 deraadt 66: <a href="errata61.html">6.1</a>,
1.48 deraadt 67: <a href="errata62.html">6.2</a>,
1.49 deraadt 68: <a href="errata63.html">6.3</a>,
1.50 deraadt 69: <a href="errata64.html">6.4</a>,
1.53 ! deraadt 70: <a href="errata65.html">6.5</a>,
! 71: <a href="errata66.html">6.6</a>.
1.1 deraadt 72: <hr>
73:
74: <p>
1.43 tj 75: Patches for the OpenBSD base system are distributed as unified diffs.
76: Each patch is cryptographically signed with the
1.46 tb 77: <a href="https://man.openbsd.org/OpenBSD-5.7/signify.1">signify(1)</a> tool and contains
1.43 tj 78: usage instructions.
79: All the following patches are also available in one
80: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7.tar.gz">tar.gz file</a>
81: for convenience.
1.1 deraadt 82:
83: <p>
1.43 tj 84: Patches for supported releases are also incorporated into the
1.44 tj 85: <a href="stable.html">-stable branch</a>.
1.1 deraadt 86:
87: <hr>
88:
89: <ul>
90:
1.45 tb 91: <li id="p001_sparc64_miniroot">
1.51 bentley 92: <strong>001: INSTALL ISSUE: May 1, 2015</strong>
1.3 deraadt 93: <i>sparc64</i><br>
94: The "miniroot" install method is broken (related to the addition of
1.9 deraadt 95: softraid support). This method is used by the official CD 3 as
96: well, so it fails to boot on sparc64 machines.
1.3 deraadt 97: <br>
98: No patch is available for obvious reasons, so use a different install method.
99: <p>
100:
1.45 tb 101: <li id="p002_libxfont">
1.51 bentley 102: <strong>002: SECURITY FIX: March 18, 2015</strong>
1.2 tedu 103: <i>All architectures</i><br>
104: Buffer overflows in libXfont
105: <br>
106: For more information, see the
107: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
108: <br>
1.42 tb 109: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/002_libxfont.patch.sig">
1.2 tedu 110: A source code patch exists which remedies this problem.</a>
1.5 tedu 111: <br>Note that the instructions should read <code>cd /usr/xenocara/lib/libXfont</code>.
1.2 tedu 112: <p>
1.1 deraadt 113:
1.45 tb 114: <li id="p003_openssl">
1.51 bentley 115: <strong>003: SECURITY FIX: March 19, 2015</strong>
1.4 tedu 116: <i>All architectures</i><br>
117: Fix several crash causing defects from OpenSSL.<br>
118: These include:<br>
119: CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
120: CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
121: CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
122: CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
123: CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
124: <br>
125: Several other issues did not apply or were already fixed.<br>
126: For more information, see the
127: <a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
128: <br>
1.42 tb 129: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/003_openssl.patch.sig">
1.4 tedu 130: A source code patch exists which remedies this problem.</a>
131: <p>
132:
1.45 tb 133: <li id="p004_smtpd">
1.51 bentley 134: <strong>004: RELIABILITY FIX: April 17, 2015</strong>
1.7 gilles 135: <i>All architectures</i><br>
136: Fix a logic error in smtpd handling of SNI.
137: This could allow a remote user to crash the server or provoke a disconnect of other sessions.
138: <br>
1.42 tb 139: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/004_smtpd.patch.sig">
1.11 deraadt 140: A source code patch exists which remedies this problem.</a>
1.7 gilles 141: <p>
1.52 deraadt 142:
1.45 tb 143: <li id="p005_httpd">
1.51 bentley 144: <strong>005: RELIABILITY FIX: April 30, 2015</strong>
1.8 florian 145: <i>All architectures</i><br>
146: A remote user can crash httpd by forcing the daemon to log to a file
147: before the logging system was initialized.
148: <br>
1.42 tb 149: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/005_httpd.patch.sig">
1.11 deraadt 150: A source code patch exists which remedies this problem.</a>
1.8 florian 151: <p>
152:
1.45 tb 153: <li id="p006_elf">
1.51 bentley 154: <strong>006: SECURITY FIX: April 30, 2015</strong>
1.10 guenther 155: <i>All architectures</i><br>
156: Malformed binaries could trigger kernel panics or view kernel memory.
157: <br>
1.42 tb 158: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/006_elf.patch.sig">
1.11 deraadt 159: A source code patch exists which remedies this problem.</a>
1.10 guenther 160: <p>
161:
1.45 tb 162: <li id="p007_tar">
1.51 bentley 163: <strong>007: SECURITY FIX: April 30, 2015</strong>
1.10 guenther 164: <i>All architectures</i><br>
165: Multiple issues in tar/pax/cpio:
166: <ul>
167: <li>extracting a malicious archive could create files outside of
168: the current directory without using pre-existing symlinks to 'escape',
169: and could change the timestamps and modes on preexisting files
170: <li>tar without -P would permit extraction of paths with ".." components
171: <li>there was a buffer overflow in the handling of pax extension headers
172: </ul>
1.42 tb 173: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/007_tar.patch.sig">
1.14 deraadt 174: A source code patch exists which remedies this problem.</a>
175: <p>
176:
1.45 tb 177: <li id="p008_smtpd">
1.51 bentley 178: <strong>008: RELIABILITY FIX: June 11, 2015</strong>
1.14 deraadt 179: <i>All architectures</i><br>
180: Fix multiple reliability issues in smtpd:
181: <ul>
182: <li>a local user can cause smtpd to fail by writing an invalid imsg to control socket.
183: <li>a local user can prevent smtpd from serving new requests by exhausting descriptors.
184: </ul>
1.42 tb 185: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/008_smtpd.patch.sig">
1.14 deraadt 186: A source code patch exists which remedies this problem.</a>
187: <p>
188:
1.45 tb 189: <li id="p009_openssl">
1.51 bentley 190: <strong>009: SECURITY FIX: June 11, 2015</strong>
1.14 deraadt 191: <i>All architectures</i><br>
192: Fix several defects from OpenSSL:
193: <ul>
194: <li>CVE-2015-1788 - Malformed ECParameters causes infinite loop
195: <li>CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
196: <li>CVE-2015-1792 - CMS verify infinite loop with unknown hash function
197: </ul>
1.15 doug 198: Note that CMS was already disabled in LibreSSL.
199: Several other issues did not apply or were already fixed and one is under review.<br>
200: For more information, see the
201: <a href="https://www.openssl.org/news/secadv_20150611.txt">OpenSSL advisory</a>.
202: <br>
1.42 tb 203: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/009_openssl.patch.sig">
1.11 deraadt 204: A source code patch exists which remedies this problem.</a>
1.10 guenther 205: <p>
206:
1.45 tb 207: <li id="p010_tcp">
1.51 bentley 208: <strong>010: SECURITY FIX: July 14, 2015</strong>
1.17 deraadt 209: <i>All architectures</i><br>
210: A TCP socket can become confused and not properly cleanup resources.
211: <br>
1.42 tb 212: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/010_tcp_persist.patch.sig">
1.17 deraadt 213: A source code patch exists which remedies this problem.</a>
214: <p>
215:
1.45 tb 216: <li id="p011_execve">
1.51 bentley 217: <strong>011: RELIABILITY FIX: July 26, 2015</strong>
1.20 deraadt 218: <i>All architectures</i><br>
219: A kernel memory leak could be triggered by an unprivileged user in
220: a failure case when using execve under systrace.
221: <br>
1.42 tb 222: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/011_execve.patch.sig">
1.20 deraadt 223: A source code patch exists which remedies this problem.</a>
224: <p>
225:
1.45 tb 226: <li id="p012_patch">
1.51 bentley 227: <strong>012: SECURITY FIX: July 26, 2015</strong>
1.20 deraadt 228: <i>All architectures</i><br>
229: The patch utility could be made to invoke arbitrary commands via
230: the obsolete RCS support when processing a crafted input file.
231: This patch deletes the RCS support.
232: <br>
1.42 tb 233: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/012_patch.patch.sig">
1.20 deraadt 234: A source code patch exists which remedies this problem.</a>
235: <p>
236:
1.45 tb 237: <li id="p013_patch">
1.51 bentley 238: <strong>013: SECURITY FIX: July 30, 2015</strong>
1.21 deraadt 239: <i>All architectures</i><br>
240: The patch utility could become desyncronized processing ed(1)-style diffs.
241: <br>
1.42 tb 242: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/013_patch.patch.sig">
1.21 deraadt 243: A source code patch exists which remedies this problem.</a>
244: <p>
245:
1.45 tb 246: <li id="p014_sshd">
1.51 bentley 247: <strong>014: SECURITY FIX: August 16, 2015</strong>
1.23 sthen 248: <i>All architectures</i><br>
249: A change to sshd resulted in incorrect permissions being applied to pseudo
250: terminal devices, allowing local users to write to (but not read from) them.
251: <br>
1.42 tb 252: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/014_sshd.patch.sig">
1.23 sthen 253: A source code patch exists which remedies this problem.</a>
254: <p>
255:
1.45 tb 256: <li id="p015_relayd">
1.51 bentley 257: <strong>015: RELIABILITY FIX: September 28, 2015</strong>
1.24 benno 258: <i>All architectures</i><br>
259: Various problems were identified in relayd and merged back from
1.52 deraadt 260: current to 5.7 in this maintanance update.
1.24 benno 261: <br>
1.42 tb 262: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/015_relayd.patch.sig">
1.24 benno 263: A source code patch exists which remedies this problem.</a>
264: <p>
265:
1.45 tb 266: <li id="p016_uvm">
1.51 bentley 267: <strong>016: RELIABILITY FIX: September 28, 2015</strong>
1.25 deraadt 268: <i>All architectures</i><br>
269: An incorrect operation in uvm could result in system panics.
270: <br>
1.42 tb 271: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/016_uvm.patch.sig">
1.25 deraadt 272: A source code patch exists which remedies this problem.</a>
273: <p>
274:
1.45 tb 275: <li id="p017_smtpd">
1.51 bentley 276: <strong>017: SECURITY FIX: October 1, 2015</strong>
1.26 deraadt 277: <i>All architectures</i><br>
278: Fix multiple reliability and security issues in smtpd:<br>
279: <ul>
280: <li>local and remote users could make smtpd crash or stop serving requests.
281: <li>a buffer overflow in the unprivileged, non-chrooted smtpd (lookup)
282: process could allow a local user to cause a crash or potentially
283: execute arbitrary code.
284: <li>a use-after-free in the unprivileged, non-chrooted smtpd (lookup)
285: process could allow a remote attacker to cause a crash or potentially
286: execute arbitrary code.
287: <li>hardlink and symlink attacks allowed a local user to unset chflags or
288: leak the first line of an arbitrary file.
289: </ul>
1.42 tb 290: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/017_smtpd.patch.sig">
1.26 deraadt 291: A source code patch exists which remedies this problem.</a>
292: <p>
293:
1.45 tb 294: <li id="p018_kevent">
1.51 bentley 295: <strong>018: RELIABILITY FIX: October 14, 2015</strong>
1.27 sthen 296: <i>All architectures</i><br>
297: A problem with timer kevents could result in a kernel hang (local denial
298: of service).<br>
1.42 tb 299: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/018_kevent.patch.sig">
1.27 sthen 300: A source code patch exists which remedies this problem.</a>
301: <p>
302:
1.45 tb 303: <li id="p019_obj2txt">
1.51 bentley 304: <strong>019: RELIABILITY FIX: October 15, 2015</strong>
1.28 tedu 305: <i>All architectures</i><br>
306: The OBJ_obj2txt function in libcrypto contains a one byte buffer overrun
307: and memory leak, as reported by Qualys Security.<br>
1.42 tb 308: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/019_obj2txt.patch.sig">
1.28 tedu 309: A source code patch exists which remedies this problem.</a>
310: <p>
311:
1.45 tb 312: <li id="p020_rsn">
1.51 bentley 313: <strong>020: RELIABILITY FIX: November 9, 2015</strong>
1.29 stsp 314: <i>All architectures</i><br>
315: Insufficient validation of RSN element group cipher values in 802.11
316: beacons and probe responses could result in system panics.<br>
1.42 tb 317: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/020_rsn.patch.sig">
1.29 stsp 318: A source code patch exists which remedies this problem.</a>
319: <p>
320:
1.45 tb 321: <li id="p021_clientcert">
1.51 bentley 322: <strong>021: RELIABILITY FIX: Dec 3, 2015</strong>
1.30 beck 323: <i>All architectures</i><br>
324: A NULL pointer deference could be triggered by a crafted certificate sent to
1.32 jasper 325: services configured to verify client certificates on TLS/SSL connections.<br>
1.42 tb 326: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/021_clientcert.patch.sig">
1.30 beck 327: A source code patch exists which remedies this problem.</a>
328: <p>
329:
1.45 tb 330: <li id="p022_sshd">
1.51 bentley 331: <strong>022: SECURITY FIX: January 14, 2016</strong>
1.33 deraadt 332: <i>All architectures</i><br>
333: Experimental roaming code in the ssh client could be tricked by a hostile sshd
1.34 deraadt 334: server, potentially leaking key material. CVE-2016-0777 and CVE-0216-0778.
1.33 deraadt 335: <br>
336: Prevent this problem immediately by adding the line "UseRoaming no" to
337: <b>/etc/ssh/ssh_config</b>.
338: <br>
1.42 tb 339: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/022_ssh.patch.sig">
1.33 deraadt 340: A source code patch exists which remedies this problem.</a>
341: <p>
342:
1.45 tb 343: <li id="p023_sshd">
1.51 bentley 344: <strong>023: SECURITY FIX: March 10, 2016</strong>
1.36 deraadt 345: <i>All architectures</i><br>
1.42 tb 346: <a href="https://www.openssh.com/txt/x11fwd.adv">
1.36 deraadt 347: Lack of credential sanitization allows injection of commands to xauth(1).</a>
348: <br>
349: Prevent this problem immediately by not using the "X11Forwarding" feature
350: (which is disabled by default)
351: <br>
1.42 tb 352: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/023_sshd.patch.sig">
1.36 deraadt 353: A source code patch exists which remedies this problem.</a>
354: <p>
355:
1.45 tb 356: <li id="p024_in6bind">
1.51 bentley 357: <strong>024: SECURITY FIX: March 16, 2016</strong>
1.37 deraadt 358: <i>All architectures</i><br>
359: Insufficient checks in IPv6 socket binding and UDP IPv6 option
360: processing allow a local user to send UDP packets with a source
361: (IPv6 address + port) already reserved by another user.
362: <br>
1.42 tb 363: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/024_in6bind.patch.sig">
1.37 deraadt 364: A source code patch exists which remedies this problem.</a>
365: <p>
366:
1.1 deraadt 367: </ul>
368:
369: <hr>